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* [GIT PULL 0/2] KVM: s390: changes for 5.7 part 2
@ 2020-03-24 12:50 Christian Borntraeger
  2020-03-24 12:50 ` [GIT PULL 1/2] KVM: s390: Use fallthrough; Christian Borntraeger
                   ` (2 more replies)
  0 siblings, 3 replies; 4+ messages in thread
From: Christian Borntraeger @ 2020-03-24 12:50 UTC (permalink / raw)
  To: Paolo Bonzini
  Cc: KVM, Janosch Frank, David Hildenbrand, Cornelia Huck, linux-s390,
	Christian Borntraeger

Paolo,

two more patches for 5.7.

The following changes since commit cc674ef252f4750bdcea1560ff491081bb960954:

  KVM: s390: introduce module parameter kvm.use_gisa (2020-02-27 19:47:13 +0100)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux.git  tags/kvm-s390-next-5.7-2

for you to fetch changes up to f3dd18d444c757840920434e62809b6104081b06:

  KVM: s390: mark sie block as 512 byte aligned (2020-03-23 18:30:33 +0100)

----------------------------------------------------------------
KVM: s390: cleanups for 5.7

- mark sie control block as 512 byte aligned
- use fallthrough;

----------------------------------------------------------------
Christian Borntraeger (1):
      KVM: s390: mark sie block as 512 byte aligned

Joe Perches (1):
      KVM: s390: Use fallthrough;

 arch/s390/include/asm/kvm_host.h |  2 +-
 arch/s390/kvm/gaccess.c          | 23 +++++++++++++----------
 arch/s390/kvm/interrupt.c        |  2 +-
 arch/s390/kvm/kvm-s390.c         |  4 ++--
 arch/s390/mm/gmap.c              |  6 +++---
 5 files changed, 20 insertions(+), 17 deletions(-)


^ permalink raw reply	[flat|nested] 4+ messages in thread

* [GIT PULL 1/2] KVM: s390: Use fallthrough;
  2020-03-24 12:50 [GIT PULL 0/2] KVM: s390: changes for 5.7 part 2 Christian Borntraeger
@ 2020-03-24 12:50 ` Christian Borntraeger
  2020-03-24 12:50 ` [GIT PULL 2/2] KVM: s390: mark sie block as 512 byte aligned Christian Borntraeger
  2020-03-26  9:58 ` [GIT PULL 0/2] KVM: s390: changes for 5.7 part 2 Paolo Bonzini
  2 siblings, 0 replies; 4+ messages in thread
From: Christian Borntraeger @ 2020-03-24 12:50 UTC (permalink / raw)
  To: Paolo Bonzini
  Cc: KVM, Janosch Frank, David Hildenbrand, Cornelia Huck, linux-s390,
	Christian Borntraeger, Joe Perches

From: Joe Perches <joe@perches.com>

Convert the various uses of fallthrough comments to fallthrough;

Done via script
Link: https://lore.kernel.org/lkml/b56602fcf79f849e733e7b521bb0e17895d390fa.1582230379.git.joe@perches.com

Signed-off-by: Joe Perches <joe@perches.com>
Link: https://lore.kernel.org/r/d63c86429f3e5aa806aa3e185c97d213904924a5.1583896348.git.joe@perches.com
[borntrager@de.ibm.com: Fix link to tool and subject]
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
---
 arch/s390/kvm/gaccess.c   | 23 +++++++++++++----------
 arch/s390/kvm/interrupt.c |  2 +-
 arch/s390/kvm/kvm-s390.c  |  4 ++--
 arch/s390/mm/gmap.c       |  6 +++---
 4 files changed, 19 insertions(+), 16 deletions(-)

diff --git a/arch/s390/kvm/gaccess.c b/arch/s390/kvm/gaccess.c
index 07d30ffcfa41..47a67a958107 100644
--- a/arch/s390/kvm/gaccess.c
+++ b/arch/s390/kvm/gaccess.c
@@ -505,7 +505,7 @@ static int trans_exc(struct kvm_vcpu *vcpu, int code, unsigned long gva,
 		switch (prot) {
 		case PROT_TYPE_IEP:
 			tec->b61 = 1;
-			/* FALL THROUGH */
+			fallthrough;
 		case PROT_TYPE_LA:
 			tec->b56 = 1;
 			break;
@@ -514,12 +514,12 @@ static int trans_exc(struct kvm_vcpu *vcpu, int code, unsigned long gva,
 			break;
 		case PROT_TYPE_ALC:
 			tec->b60 = 1;
-			/* FALL THROUGH */
+			fallthrough;
 		case PROT_TYPE_DAT:
 			tec->b61 = 1;
 			break;
 		}
-		/* FALL THROUGH */
+		fallthrough;
 	case PGM_ASCE_TYPE:
 	case PGM_PAGE_TRANSLATION:
 	case PGM_REGION_FIRST_TRANS:
@@ -534,7 +534,7 @@ static int trans_exc(struct kvm_vcpu *vcpu, int code, unsigned long gva,
 		tec->addr = gva >> PAGE_SHIFT;
 		tec->fsi = mode == GACC_STORE ? FSI_STORE : FSI_FETCH;
 		tec->as = psw_bits(vcpu->arch.sie_block->gpsw).as;
-		/* FALL THROUGH */
+		fallthrough;
 	case PGM_ALEN_TRANSLATION:
 	case PGM_ALE_SEQUENCE:
 	case PGM_ASTE_VALIDITY:
@@ -677,7 +677,7 @@ static unsigned long guest_translate(struct kvm_vcpu *vcpu, unsigned long gva,
 			dat_protection |= rfte.p;
 		ptr = rfte.rto * PAGE_SIZE + vaddr.rsx * 8;
 	}
-		/* fallthrough */
+		fallthrough;
 	case ASCE_TYPE_REGION2: {
 		union region2_table_entry rste;
 
@@ -695,7 +695,7 @@ static unsigned long guest_translate(struct kvm_vcpu *vcpu, unsigned long gva,
 			dat_protection |= rste.p;
 		ptr = rste.rto * PAGE_SIZE + vaddr.rtx * 8;
 	}
-		/* fallthrough */
+		fallthrough;
 	case ASCE_TYPE_REGION3: {
 		union region3_table_entry rtte;
 
@@ -723,7 +723,7 @@ static unsigned long guest_translate(struct kvm_vcpu *vcpu, unsigned long gva,
 			dat_protection |= rtte.fc0.p;
 		ptr = rtte.fc0.sto * PAGE_SIZE + vaddr.sx * 8;
 	}
-		/* fallthrough */
+		fallthrough;
 	case ASCE_TYPE_SEGMENT: {
 		union segment_table_entry ste;
 
@@ -1050,7 +1050,8 @@ static int kvm_s390_shadow_tables(struct gmap *sg, unsigned long saddr,
 		rc = gmap_shadow_r2t(sg, saddr, rfte.val, *fake);
 		if (rc)
 			return rc;
-	} /* fallthrough */
+	}
+		fallthrough;
 	case ASCE_TYPE_REGION2: {
 		union region2_table_entry rste;
 
@@ -1076,7 +1077,8 @@ static int kvm_s390_shadow_tables(struct gmap *sg, unsigned long saddr,
 		rc = gmap_shadow_r3t(sg, saddr, rste.val, *fake);
 		if (rc)
 			return rc;
-	} /* fallthrough */
+	}
+		fallthrough;
 	case ASCE_TYPE_REGION3: {
 		union region3_table_entry rtte;
 
@@ -1111,7 +1113,8 @@ static int kvm_s390_shadow_tables(struct gmap *sg, unsigned long saddr,
 		rc = gmap_shadow_sgt(sg, saddr, rtte.val, *fake);
 		if (rc)
 			return rc;
-	} /* fallthrough */
+	}
+		fallthrough;
 	case ASCE_TYPE_SEGMENT: {
 		union segment_table_entry ste;
 
diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
index 028167d6eacd..8191106bf7b9 100644
--- a/arch/s390/kvm/interrupt.c
+++ b/arch/s390/kvm/interrupt.c
@@ -886,7 +886,7 @@ static int __must_check __deliver_prog(struct kvm_vcpu *vcpu)
 	case PGM_PRIMARY_AUTHORITY:
 	case PGM_SECONDARY_AUTHORITY:
 		nullifying = true;
-		/* fall through */
+		fallthrough;
 	case PGM_SPACE_SWITCH:
 		rc = put_guest_lc(vcpu, pgm_info.trans_exc_code,
 				  (u64 *)__LC_TRANS_EXC_CODE);
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 6b1842a9feed..d590f32f13d3 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -3752,7 +3752,7 @@ int kvm_arch_vcpu_ioctl_set_mpstate(struct kvm_vcpu *vcpu,
 		rc = kvm_s390_pv_set_cpu_state(vcpu, PV_CPU_STATE_OPR_LOAD);
 		break;
 	case KVM_MP_STATE_CHECK_STOP:
-		/* fall through - CHECK_STOP and LOAD are not supported yet */
+		fallthrough;	/* CHECK_STOP and LOAD are not supported yet */
 	default:
 		rc = -ENXIO;
 	}
@@ -4985,7 +4985,7 @@ void kvm_arch_commit_memory_region(struct kvm *kvm,
 					old->npages * PAGE_SIZE);
 		if (rc)
 			break;
-		/* FALLTHROUGH */
+		fallthrough;
 	case KVM_MR_CREATE:
 		rc = gmap_map_segment(kvm->arch.gmap, mem->userspace_addr,
 				      mem->guest_phys_addr, mem->memory_size);
diff --git a/arch/s390/mm/gmap.c b/arch/s390/mm/gmap.c
index 27926a06df32..03c899849c38 100644
--- a/arch/s390/mm/gmap.c
+++ b/arch/s390/mm/gmap.c
@@ -804,7 +804,7 @@ static inline unsigned long *gmap_table_walk(struct gmap *gmap,
 		if (*table & _REGION_ENTRY_INVALID)
 			return NULL;
 		table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN);
-		/* Fallthrough */
+		fallthrough;
 	case _ASCE_TYPE_REGION2:
 		table += (gaddr & _REGION2_INDEX) >> _REGION2_SHIFT;
 		if (level == 3)
@@ -812,7 +812,7 @@ static inline unsigned long *gmap_table_walk(struct gmap *gmap,
 		if (*table & _REGION_ENTRY_INVALID)
 			return NULL;
 		table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN);
-		/* Fallthrough */
+		fallthrough;
 	case _ASCE_TYPE_REGION3:
 		table += (gaddr & _REGION3_INDEX) >> _REGION3_SHIFT;
 		if (level == 2)
@@ -820,7 +820,7 @@ static inline unsigned long *gmap_table_walk(struct gmap *gmap,
 		if (*table & _REGION_ENTRY_INVALID)
 			return NULL;
 		table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN);
-		/* Fallthrough */
+		fallthrough;
 	case _ASCE_TYPE_SEGMENT:
 		table += (gaddr & _SEGMENT_INDEX) >> _SEGMENT_SHIFT;
 		if (level == 1)
-- 
2.24.1


^ permalink raw reply related	[flat|nested] 4+ messages in thread

* [GIT PULL 2/2] KVM: s390: mark sie block as 512 byte aligned
  2020-03-24 12:50 [GIT PULL 0/2] KVM: s390: changes for 5.7 part 2 Christian Borntraeger
  2020-03-24 12:50 ` [GIT PULL 1/2] KVM: s390: Use fallthrough; Christian Borntraeger
@ 2020-03-24 12:50 ` Christian Borntraeger
  2020-03-26  9:58 ` [GIT PULL 0/2] KVM: s390: changes for 5.7 part 2 Paolo Bonzini
  2 siblings, 0 replies; 4+ messages in thread
From: Christian Borntraeger @ 2020-03-24 12:50 UTC (permalink / raw)
  To: Paolo Bonzini
  Cc: KVM, Janosch Frank, David Hildenbrand, Cornelia Huck, linux-s390,
	Christian Borntraeger

The sie block must be aligned to 512 bytes. Mark it as such.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
---
 arch/s390/include/asm/kvm_host.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h
index 0ea82152d2f7..2d50f6c432e2 100644
--- a/arch/s390/include/asm/kvm_host.h
+++ b/arch/s390/include/asm/kvm_host.h
@@ -344,7 +344,7 @@ struct kvm_s390_sie_block {
 	__u64	itdba;			/* 0x01e8 */
 	__u64   riccbd;			/* 0x01f0 */
 	__u64	gvrd;			/* 0x01f8 */
-} __attribute__((packed));
+} __packed __aligned(512);
 
 struct kvm_s390_itdb {
 	__u8	data[256];
-- 
2.24.1


^ permalink raw reply related	[flat|nested] 4+ messages in thread

* Re: [GIT PULL 0/2] KVM: s390: changes for 5.7 part 2
  2020-03-24 12:50 [GIT PULL 0/2] KVM: s390: changes for 5.7 part 2 Christian Borntraeger
  2020-03-24 12:50 ` [GIT PULL 1/2] KVM: s390: Use fallthrough; Christian Borntraeger
  2020-03-24 12:50 ` [GIT PULL 2/2] KVM: s390: mark sie block as 512 byte aligned Christian Borntraeger
@ 2020-03-26  9:58 ` Paolo Bonzini
  2 siblings, 0 replies; 4+ messages in thread
From: Paolo Bonzini @ 2020-03-26  9:58 UTC (permalink / raw)
  To: Christian Borntraeger
  Cc: KVM, Janosch Frank, David Hildenbrand, Cornelia Huck, linux-s390

On 24/03/20 13:50, Christian Borntraeger wrote:
> Paolo,
> 
> two more patches for 5.7.
> 
> The following changes since commit cc674ef252f4750bdcea1560ff491081bb960954:
> 
>   KVM: s390: introduce module parameter kvm.use_gisa (2020-02-27 19:47:13 +0100)
> 
> are available in the Git repository at:
> 
>   git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux.git  tags/kvm-s390-next-5.7-2
> 
> for you to fetch changes up to f3dd18d444c757840920434e62809b6104081b06:
> 
>   KVM: s390: mark sie block as 512 byte aligned (2020-03-23 18:30:33 +0100)
> 
> ----------------------------------------------------------------
> KVM: s390: cleanups for 5.7
> 
> - mark sie control block as 512 byte aligned
> - use fallthrough;
> 
> ----------------------------------------------------------------
> Christian Borntraeger (1):
>       KVM: s390: mark sie block as 512 byte aligned
> 
> Joe Perches (1):
>       KVM: s390: Use fallthrough;
> 
>  arch/s390/include/asm/kvm_host.h |  2 +-
>  arch/s390/kvm/gaccess.c          | 23 +++++++++++++----------
>  arch/s390/kvm/interrupt.c        |  2 +-
>  arch/s390/kvm/kvm-s390.c         |  4 ++--
>  arch/s390/mm/gmap.c              |  6 +++---
>  5 files changed, 20 insertions(+), 17 deletions(-)
> 

Pulled, thanks.

Paolo


^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2020-03-26  9:58 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2020-03-24 12:50 [GIT PULL 0/2] KVM: s390: changes for 5.7 part 2 Christian Borntraeger
2020-03-24 12:50 ` [GIT PULL 1/2] KVM: s390: Use fallthrough; Christian Borntraeger
2020-03-24 12:50 ` [GIT PULL 2/2] KVM: s390: mark sie block as 512 byte aligned Christian Borntraeger
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